CAO; Xiuyan
Patent Applications and Registrations
Patent applications and USPTO patent grants for CAO; Xiuyan.The latest application filed is for "projection apparatus and projection display method".
- CAO; Xiuyan - Qingdao City CN
- Cao; Xiuyan - Shandong CN
- Cao; Xiuyan - Qingdao CN
- Cao; Xiuyan - Suwanee GA
| Patent | Date |
|---|---|
| Projection Apparatus And Projection Display Method App 20220256129 - CUI; Rongrong ; et al. | 2022-08-11 |
| Optical illumination system and projection device Grant 11,287,732 - Tian , et al. March 29, 2 | 2022-03-29 |
| Optical Illumination System And Projection Device App 20200209728 - Tian; Yong ; et al. | 2020-07-02 |
| Laser projection device Grant 10,389,968 - Pang , et al. A | 2019-08-20 |
| Light homogenizing device and laser projection apparatus Grant 10,222,687 - Dong , et al. | 2019-03-05 |
| Light-pipe Adjusting Apparatus App 20180143515 - CAO; XIUYAN ; et al. | 2018-05-24 |
| Light-pipe adjusting apparatus Grant 9,977,314 - Cao , et al. May 22, 2 | 2018-05-22 |
| Light Homogenizing Device And Laser Projection Apparatus App 20180067386 - DONG; Shubin ; et al. | 2018-03-08 |
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